Home / 16,833.13-25,248.78-5,145.43

Finding the Fourth Proportional to 16,833.13, 25,248.78 and 5,145.43

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Solution

The fourth proportional to 16,833.13, 25,248.78 and 5,145.43 is: 7,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,833.13 : 25,248.78 = 5,145.43 : x
  2. Step 2: Convert to fraction form
    16,833.13/25,248.78 = 5,145.43/x
  3. Step 3: Cross multiply
    16,833.13x = 25,248.78 × 5,145.43
  4. Step 4: Simplify right side
    16,833.13x = 129,915,830.08
  5. Step 5: Solve for x
    x = 129,915,830.08/16,833.13
  6. Step 6: Final answer
    x = 7,717.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.